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Finding the Third Proportional to 1.93 and 2.57

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Solution

The third proportional to 1.93 and 2.57 is: 3.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.93 : 2.57 = 2.57 : x
  2. Step 2: Convert to fraction form
    1.93/2.57 = 2.57/x
  3. Step 3: Cross multiply
    1.93x = 2.57 × 2.57
  4. Step 4: Simplify right side
    1.93x = 6.61
  5. Step 5: Solve for x
    x = 6.61/1.93
  6. Step 6: Final answer
    x = 3.43

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.